The antiquity of man, by R.S. Lull.--The natural history of man, by H.B. Ferris.--The evolution of the nervous system of man, by G.H. Parker.--The evolution of intelligence, by J.R. Angell.--Societal evolution, by A.G. Keller.--The trend of evolution, by E.G. Conklin
Evidence reported by judyjordan for item evolutionofmanse00baitrich on April 20, 2007: visible notice of copyright; stated date is 1922.